266 
ON THE CLASSIFICATION OP BIRDS. 
Cbypsirina, Vieillot. {fig. 235.) Bill shorter than the 
head, much compressed ; 
the culmen considerably 
arched, and curved from 
the base. Nostrils small, 
basal, concealed by incum- 
bent feathers, which are either soft or setaceous. 
Wings short, much rounded ; the primaries hardly 
longer than the secondaries. Tail feathers broad and 
obtuse. Feet moderate, arboreal. The middle toe and 
claw short, but as long as the tarsus ; lateral toes un. 
equal; hind toe and clawshorter than the tarsus. India. 
nifa. Ois. d’Af. pi. 59. vagabonda. Gould’s Cent. 
Icucoptera. PI. Col. 265. pi. 42. 
temnura. lb. S37. Sinensis. Gould, C. pi. 43. 
leucogastra. Zool. Tr. pl.l2. temia. V. G. pl.l06. (/g.235.) 
Ptilostomus, Sw. BiU as in Crypsirina. Rictus 
bristled. Wings moderate, slightly rounded; the 
third, fourth, and fifth quills longest. Tail long, 
cuneated ; the feathers lanceolate. Feet very strong 
and robust. Tarsus lengthened, longer than the 
middle toe and claw : lateral toes short, and of equal 
length. Africa. 
P. SenegalensLs. West. Af. i. p. 135. Ois. d’Af. pi. 54. 
Braohystoma, Sw. (fig. 236.) Bill very short, entire, 
resembling Glaucopis : the 
culmen elevated, convex, 
and considerably dividing 
the frontal feathers : com- 
missure curved, and some- 
what angulated in the 
middle : under mandible 
slightly ascending. Nostrils 
basal, naked ; the aperture 
large and round. Wings 
and tail moderate, rounded; 
the latter with broad ob- 
tuse feathers. Feet arbo- 
real : the middle toe much shorter than the tarsus, 
